46 lines
986 B
TypeScript
46 lines
986 B
TypeScript
import type { Animation } from "./Animation.ts";
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import { createVector, type Vector } from "./Vector.ts";
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export type Indirect = never;
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export type Entity<T> = {
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name: string;
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position: Vector;
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animation: Animation;
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} & T;
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export type Animate<T> = (
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entity: Entity<T>,
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ctx: CanvasRenderingContext2D,
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delta: number,
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) => void;
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export type Process<T> = (entity: Entity<T>, delta: number) => void;
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export const entityMap = new Map<string, Entity<unknown>>();
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export const entityAnimateMap = new Map<string, Animate<Indirect>>();
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export const entityProcessMap = new Map<string, Process<Indirect>>();
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export function defineEntity<T extends { animation: Animation }>(
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name: string,
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state: T,
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): {
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animate: (fn: Animate<T>) => void;
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process: (fn: Process<T>) => void;
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} {
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entityMap.set(name, {
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name,
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position: createVector(),
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...state,
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});
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return {
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animate(fn) {
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entityAnimateMap.set(name, fn);
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},
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process(fn) {
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entityProcessMap.set(name, fn);
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},
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};
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}
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